/Engine/Plugins/Experimental/ScriptableToolsFramework/Source/ScriptableToolsFramework/Public/BaseTools/ScriptableSingleClickTool.h
Update an active Hover sequence. OnHoverUpdate is only ever called between OnHoverBegin and OnHoverEnd
true to continue hovering, false to stop receiving additional hover events
bool OnHoverUpdate ( [FInputDeviceRay](API\Runtime\InteractiveToolsFramework\FInputDeviceRay) HoverPos, const [FScriptableToolModifierStates](API\Plugins\ScriptableToolsFramework\FScriptableToolModifierStates) & Modifiers )